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发明名称
MINE ROOF SUPPORT
摘要
申请公布号
SU918434(A1)
申请公布日期
1982.04.07
申请号
SU19802983863
申请日期
1980.09.19
申请人
SHAKHTINSKIJ NI PK UGOLNYJ I IM.A.M.TERPIGOREVA
发明人
PISMENSKIJ EVGENIJ A,SU;LITVINENKO STEPAN S,SU;SPIVAK NIKOLAJ V,SU;TURUK VLADIMIR D,SU
分类号
E21D23/00;(IPC1-7):E21D23/00
主分类号
E21D23/00
代理机构
代理人
主权项
地址
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